Read Sony SS-US301 / SW-US301 / UZ-US301 Service Manual online
SS-US301/SW-US301/UZ-US301
13
13
5-4.
SCHEMATIC DIAGRAM – MAIN Board (1/3) –
•
See page 11 for IC Block Diagrams.
R515
R516
R366
R302
C304
R306
R304
R301
R303
C303
C306
C305
R305
R508
C307
R307
R365
R350
FB302
FB301
FB507
R370
R367
R369
R368
FB501
FB502
FB503
R507
R509
C505
C507
R504
C501
C510
C512
C531
C511
R537
R538
R503
R502
R505
C509
C533
C503
R512
C515
R514
IC506
µPC457062
C517
R519
R529
C513
R528
R539
R518
C514
R517
C518
IC301
R308
C397
C519
R510
C532
R525
C528
R534
R523
C526
C523
R527
R531
R530
R533
C527
R524
C521
R521
C522
R522
C318
R313
R536
Q506
C524
C525
C313
C314
C312
R311
C315
C316
R312
C317
C311
C320
C319
R331
IC302
C323
C322
R333
C321
R332
R334
C395
DZ502
C327
C324
C529
R526
R511
FB506
R535
J301
R513
R506
Q502
Q501
IC502
J501
IC505
D506
D508
Q507
D509
D507
X501
C300
IC501
C516
C520
FB303
FB303
FB504
FB504
FB505
FB505
C506
4.7k
10k
100k
10k
220p
47k
10k
10k
47k
220p
1
50V
1
50V
10k
100
100
10V
10V
4.7k
3.3k
100k
100k
100k
100k
100k
0
0
100k
1M
22p
22p
1M
47
16V
0.22
0.1
0.22
0.22
1.5k
100
22
22
1k
0.1
1
50V
47
25V
4.7k
100p
1k
100p
22
3.3k
0.022
3.3k
100
22
0.022
1k
1
50V
BU4066BCF
10k
0.1
100
10V
10V
10k
1
50V
100
0.22
1k
470k
470p
1
50V
220k
100k
1k
470p
470k
10
50V
10k
10
50V
10k
4.7
50V
50V
4.7k
470k
2SC2712
4.7
50V
50V
4.7
50V
50V
1
50V
1
50V
0.0033
4.7k
10
50V
10
50V
4.7k
4.7
50V
50V
0.0033
0.01
0.01
47k
QS7779CM-G-E2
0.001
0.001
47k
100
10V
10V
47k
1k
100
16V
16V
UDZSTE-178
0.001
0.001
0.22
100
10k
470k
2P
10k
1.5k
2SC2712
DTA124EKA
S-81233SGY
1SS355
1SS355
2SC2712
1SS355
1SS355
12MHz
0.1
PMC2704
1
50V
100
10V
10V
0
0
0
220p
A1
A2
A3
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
B8
∗
V
D
D
G
N
D
(1/3)
USB
ONLY 2ch SOURCE
GND
D+
D-
VBUS
L
R
AUDIO IN
3D SOUND PROCESSOR
INPUT SELECTOR
USB AMP
GND
VDD
USB CONTROL
SWITCH
USB CONTROL
SWITCH
+3.3V REGULATOR
1
4
USB
D/A CONVERTER
GND
VDD
BUFFER
µPC457DG2
LINE AMP
LINE AMP
∗
(US)
(EXCEPT US)
R530
100k
68k
(U
S)
(E
X
C
EP
T U
S)
(US)
(EXCEPT US)
(EX
CEP
T U
S
)
(US)
(EXCEPT US)
(Page 15)
(Page 14)
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